The testo 915i connects automatically via Bluetooth to smartphones, tablets, or compatible Testo measuring devices. The testo Smart App allows for intuitive operation, a clear display of measurement data, as well as documentation and report sending directly on-site. The handle is compatible with all standard market thermocouple sensors of type K, making it versatile for various applications.

Smart Probe for wireless temperature measurement in a wide range of applications due to a large selection of sensors and compatibility with standard market thermocouple sensors of type K. Fast-reacting surface sensor (TE type K, class 1) with a spring-loaded thermocouple strip and secure fixation through an innovative locking mechanism in the handle, also versatile for use on non-planar surfaces, measurement range -50 to +350 °C.

Easy operation, evaluation, and documentation with the free testo Smart App, as well as automatic Bluetooth connection to smartphones, tablets, or Testo measuring devices with a range of up to 100 m. High measurement accuracy through factory system calibration.